Since noise has a major impact on the quality of workers’ hearing, its reduction at source must be promoted. This involves identifying the elements responsible for noise emission in order to be able to implement effective solutions. The equipment required to do so is both costly and complex. To mitigate this problem, the research team will develop an innovative measuring device, based on the spatial tracking dose-rate meter concept. This system will make it possible to map, in a simple yet effective way, the acoustical intensity of noisy equipment. Stakeholders will then be able to use a visual approach to make a quick, intuitive diagnosis of the noise emission points of a machine and measure the acoustical power. This device will be accessible to acoustics specialists and consultants, industrial hygienists and those in the occupational health network.